/**
 *  Copyright (C) 2008-2013  Telosys project org. ( http://www.telosys.org/ )
 *
 *  Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *          http://www.gnu.org/licenses/lgpl.html
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.telosys.common.val;

/**
 * This class wraps a value of the primitive type 'double' in an object. 
 * The current value can be changed with the 'setValue' method.
 * 
 * @author Laurent Guerin
 */
public class DoubleValue implements ISingleValue
{
	private static final long serialVersionUID = 1L;
	
	private double _value = 0.0 ;
        
    //-----------------------------------------------------------------------------------
    
    /**
     * Default constructor, the initial value is '0.0'.
     */
    public DoubleValue () 
    {
        _value = 0.0 ;
    }
    
    /**
     * Constructor with initial value
     * @param v initial value 
     */
    public DoubleValue ( double v ) 
    {
        _value = v;
    }
    
    //-----------------------------------------------------------------------------------

    /**
     * Changes the current value
     * @param v
     */
    public void setValue(double v)
    {
        _value = v;
    }
    
    /**
     * Returns the current value
     * @return
     */
    public double getValue()
    {
        return ( _value ) ;
    }
    
    //-----------------------------------------------------------------------------------
    
    public String toString()
    {
        return "" + _value ;
    }
    
}
